A Tech Authority, Inc. specializes in sales, service, and calibration of measurement equipment and machine tools used in the manufacturing industry. Founded in 1979 by Walt Martin and continued by Craig D’Ambrosio, the company focuses on providing advanced measurement technologies to Southern California. With a strong emphasis on customer service and technical expertise, A Tech Authority offers top brands, factory-trained technicians, fully equipped service vans, and professional tech support. Their services include calibration equipment, controls, digital readouts, length gauges, linear scales, probes, rotary encoders, and more, catering to a wide range of industries.